Dam per-regulator



(No Model.)

' S. COATS.

DAMPER REGULATOR.

No. 541,721. Patented Juhe 25, 1895.

UNrt-rao SAMUEL COATS, OF BRIDGEPORT, PENNSYLVANIA.

DAlVl PER-REGU L-ATO R.

SPECIFICATION forming part of Letters Patent No. 541,721, dated June 25,1895. Application filed October 29, 1894. $eria1 No. 527,221. (Nomodel.)

To all whom it may concern.-

Be it known that I, SAMUEL Come, a citizen of the United States,residing at Bridgeport, in the county of Montgomery, State ofPennsylvania, have invented a new and useful Improvement inDamper-Regulators for Steam Heaters, &c., which improvement is fully setforth in the following specification and accompanying drawings.

My invention relates to damper regulators, and consists of a novelattachment therefor, by means of which any variation of the temperatureof the water or steam in the boiler or heater to which said regulator isattached, will cause a proper adjustment of the furnace dampers, theespecial function of the attachment being to cause a quick oraccelerated movement of the damper regulator lever wheneverthe pressurein the boiler reaches-a.

predetermined point, thereby instantly o'pening or closing the saiddampers, all as will be hereinafter set forth.

Figure 1 represents a side elevation of a damper-regulator embodying myinvention,-

and a boiler or heater to which the same is applicable. Fig. 2represents a section on line a; as, Fig. 1. Fig. 3 represents aperspective view of the attachment for said regulator and its manner ofapplication.

Similar letters of reference indicate corresponding parts in the severalfigures.

Referring to the drawings: A designates the rocking lever of a damperregulator, which is pivoted to a suitable fixed point B, and hasattached thereto the stem 0, which is actu ated by a diaphragm in thechamber 1), connected to a boiler or heater, said lever having also therods or connections E and F which lead to dampers, all of the aboveparts being of the usual construction andforming no part of myinvention.

G designates theattachmentproper, which consists of a frame having theways H and J, which form a track onwhich moves the weight K, said weightin the present instance being spherical, and said track having the stopsL' at each end thereof.

M designates ears which embrace the lever A, and are held in positionrelative to the same by set screws or other devices.

The operation is as follows, assuming the parts to be in the positionshown: First suppose the pressure in the boiler to increase, the lever Awill slowly move into a horizontal position, at about which point theweight K will roll from the position shown, into its extreme left handposition, thereby giving an accelerated downward movement to the lefthand end of said lever A, thus instantly closing the damper to which therod E is attached, and opening the one to which the rod F is secured.When the pressure falls below the normal, the same action'will takeplacein the opposite direction, and the parts will assume the positions shownin Fig. 1.

It will furthermore be noticed that the frame G is readily applicable tothe lever of any damper regulator, and that said frame can be movedalong said lever into anydesired position, thus rendering it possible toadjust the attachment to fulfill any desired requirements although thepreferred location of the latter is the one shown, in which the weightis in every position of the lever, on the same side of the fulcrum.

It is evident that by the employment of the track formed by the ways Hand J, and the ball or Weight K movable thereon, the friction betweensaid weight and track will be reduced to a minimum, and thus the devicewill be rendered extremely sensitive to variations of temperature, theaction being resisted' by means of counter-poises which may be attachedtorthe dampers in any suitable manner.

It will also be apparent that while the above attachment is capable ofgeneral application, it is especially adapted to that class ofregulators which begin to move at a predetermined pressure, and continuesaid movement as said pressure gradually rises, such as where adiaphragm is influencedby fluid pressure, the resistance of the samegradually increasing, as it is movedfrom its normal position.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is

1. An attachment for a damper regulator 5 consisting of a frame having atrack thereon,

a weight movable on said track, and means for attaching said frame to asuitable portion of said regulator, substantially as described.

2. An attachment for a damper regulator consisting of a frame having atrack thereon, 10 stops on said frame, and a weight movable on saidtrack between said stops, substantially as described.

SAMUEL COATS.

Witnesses:

C. D. I-IEss, BENJ. THOMAS.

